Service ceiling
实用升限
🧩 词语组成解析
service
['sɝvɪs]
n. 服务，服侍;服务业;维修服务;服役;
vt. 检修，维修;向…提供服务;保养;满足需要;
adj. 服务性的;耐用的;服现役的;
serv服务+ice表名词，行为，状态 →服务
🗣️ 情景例句
Every cloud has a silver lining.
乌云背后是银边，否极泰来。
He could always come up with a reason for them to linger another month.
他总能想出个理由来让他们再耽误上一个月。
We enjoy staring at them, entranced as they go about their business, unaware (we hope) of our presence.
我们喜欢入迷地看它们做事，它们不知道（但愿如此）我们就在它们身边。